Which of the following help us believe that Earth's mass is distributed spherically and uniformly around Earth's center?

A. Earth's spherical shape and lack of rotational wobble
B. Lack of roughness of Earth's surface, Earth's spherical shape, and lack of rotational wobble
C. Lack of roughness of Earth's surface
D. Earth's spherical shape
E. Lack of rotational wobble


Answer: A

Environmental & Atmospheric Sciences

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